2021643415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1\times {\mathrm{1487}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 2789821440

約数和(自身を除く): 768178025

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1301, 1487, 6505, 7435, 14311, 16357, 24719, 28253, 71555, 81785, 123595, 141265, 271909, 310783, 1359545, 1553915, 1934587, 9672935, 21280457, 36757153, 106402285, 183785765, 404328683, 2021643415]

約数ペア:

[(1, 2021643415), (5, 404328683), (11, 183785765), (19, 106402285), (55, 36757153), (95, 21280457), (209, 9672935), (1045, 1934587), (1301, 1553915), (1487, 1359545), (6505, 310783), (7435, 271909), (14311, 141265), (16357, 123595), (24719, 81785), (28253, 71555)]